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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2007-2008 Michele Mostarda ( michele.mostarda@gmail.com ).<a name="line.2"></a>
<FONT color="green">003</FONT>     * All Rights Reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>     *<a name="line.4"></a>
<FONT color="green">005</FONT>     * Licensed under the Apache License, Version 2.0 (the 'License');<a name="line.5"></a>
<FONT color="green">006</FONT>     * you may not use this file except in compliance with the License.<a name="line.6"></a>
<FONT color="green">007</FONT>     * You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an 'AS IS' BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    package com.asemantics.rdfcoder.storage;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>    import com.asemantics.rdfcoder.RDFCoder;<a name="line.21"></a>
<FONT color="green">022</FONT>    import com.asemantics.rdfcoder.model.CodeModel;<a name="line.22"></a>
<FONT color="green">023</FONT>    import com.asemantics.rdfcoder.model.CodeModelDebugException;<a name="line.23"></a>
<FONT color="green">024</FONT>    import com.asemantics.rdfcoder.model.QueryResult;<a name="line.24"></a>
<FONT color="green">025</FONT>    import com.asemantics.rdfcoder.model.SPARQLException;<a name="line.25"></a>
<FONT color="green">026</FONT>    import com.asemantics.rdfcoder.model.SPARQLQuerableCodeModel;<a name="line.26"></a>
<FONT color="green">027</FONT>    import com.asemantics.rdfcoder.model.TripleIterator;<a name="line.27"></a>
<FONT color="green">028</FONT>    import com.hp.hpl.jena.query.Query;<a name="line.28"></a>
<FONT color="green">029</FONT>    import com.hp.hpl.jena.query.QueryExecution;<a name="line.29"></a>
<FONT color="green">030</FONT>    import com.hp.hpl.jena.query.QueryExecutionFactory;<a name="line.30"></a>
<FONT color="green">031</FONT>    import com.hp.hpl.jena.query.QueryFactory;<a name="line.31"></a>
<FONT color="green">032</FONT>    import com.hp.hpl.jena.query.ResultSet;<a name="line.32"></a>
<FONT color="green">033</FONT>    import com.hp.hpl.jena.rdf.model.Bag;<a name="line.33"></a>
<FONT color="green">034</FONT>    import com.hp.hpl.jena.rdf.model.Literal;<a name="line.34"></a>
<FONT color="green">035</FONT>    import com.hp.hpl.jena.rdf.model.Model;<a name="line.35"></a>
<FONT color="green">036</FONT>    import com.hp.hpl.jena.rdf.model.ModelFactory;<a name="line.36"></a>
<FONT color="green">037</FONT>    import com.hp.hpl.jena.rdf.model.Property;<a name="line.37"></a>
<FONT color="green">038</FONT>    import com.hp.hpl.jena.rdf.model.Resource;<a name="line.38"></a>
<FONT color="green">039</FONT>    import com.hp.hpl.jena.rdf.model.SimpleSelector;<a name="line.39"></a>
<FONT color="green">040</FONT>    import com.hp.hpl.jena.rdf.model.Statement;<a name="line.40"></a>
<FONT color="green">041</FONT>    import com.hp.hpl.jena.rdf.model.StmtIterator;<a name="line.41"></a>
<FONT color="green">042</FONT>    <a name="line.42"></a>
<FONT color="green">043</FONT>    import java.io.File;<a name="line.43"></a>
<FONT color="green">044</FONT>    import java.io.FileReader;<a name="line.44"></a>
<FONT color="green">045</FONT>    import java.io.FileWriter;<a name="line.45"></a>
<FONT color="green">046</FONT>    import java.io.IOException;<a name="line.46"></a>
<FONT color="green">047</FONT>    <a name="line.47"></a>
<FONT color="green">048</FONT>    /**<a name="line.48"></a>
<FONT color="green">049</FONT>     * The {@link com.asemantics.rdfcoder.model.CodeModel}<a name="line.49"></a>
<FONT color="green">050</FONT>     * implementation for the &lt;i&gt;Jena&lt;/i&gt; backend.<a name="line.50"></a>
<FONT color="green">051</FONT>     *<a name="line.51"></a>
<FONT color="green">052</FONT>     * @author Michele Mostarda (michele.mostarda@gmail.com)<a name="line.52"></a>
<FONT color="green">053</FONT>     */<a name="line.53"></a>
<FONT color="green">054</FONT>    public class JenaCodeModel extends SPARQLQuerableCodeModel {<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        public static String getURI() {<a name="line.56"></a>
<FONT color="green">057</FONT>            return CODER_URI;<a name="line.57"></a>
<FONT color="green">058</FONT>        }<a name="line.58"></a>
<FONT color="green">059</FONT>    <a name="line.59"></a>
<FONT color="green">060</FONT>        private static Model m = ModelFactory.createDefaultModel();<a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>        /**<a name="line.62"></a>
<FONT color="green">063</FONT>         * Internal Jena org.asemantics.model.<a name="line.63"></a>
<FONT color="green">064</FONT>         */<a name="line.64"></a>
<FONT color="green">065</FONT>        private Model jenaModel;<a name="line.65"></a>
<FONT color="green">066</FONT>    <a name="line.66"></a>
<FONT color="green">067</FONT>        protected JenaCodeModel(Model model) {<a name="line.67"></a>
<FONT color="green">068</FONT>            if(model == null) {<a name="line.68"></a>
<FONT color="green">069</FONT>                throw new NullPointerException();<a name="line.69"></a>
<FONT color="green">070</FONT>            }<a name="line.70"></a>
<FONT color="green">071</FONT>            this.jenaModel = model;<a name="line.71"></a>
<FONT color="green">072</FONT>        }<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>        protected Model getJenaModel() {<a name="line.74"></a>
<FONT color="green">075</FONT>            return jenaModel;<a name="line.75"></a>
<FONT color="green">076</FONT>        }<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>        class InternalTripleIterator implements TripleIterator {<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>            private StmtIterator iter;<a name="line.80"></a>
<FONT color="green">081</FONT>    <a name="line.81"></a>
<FONT color="green">082</FONT>            private Statement statement;<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>            InternalTripleIterator(StmtIterator iter) {<a name="line.84"></a>
<FONT color="green">085</FONT>                this.iter = iter;<a name="line.85"></a>
<FONT color="green">086</FONT>            }<a name="line.86"></a>
<FONT color="green">087</FONT>    <a name="line.87"></a>
<FONT color="green">088</FONT>            public boolean next() {<a name="line.88"></a>
<FONT color="green">089</FONT>                if(iter.hasNext()) {<a name="line.89"></a>
<FONT color="green">090</FONT>                    statement = iter.nextStatement();<a name="line.90"></a>
<FONT color="green">091</FONT>                    return true;<a name="line.91"></a>
<FONT color="green">092</FONT>                }<a name="line.92"></a>
<FONT color="green">093</FONT>                return false;<a name="line.93"></a>
<FONT color="green">094</FONT>            }<a name="line.94"></a>
<FONT color="green">095</FONT>    <a name="line.95"></a>
<FONT color="green">096</FONT>            public String getSubject() {<a name="line.96"></a>
<FONT color="green">097</FONT>                return statement.getSubject().toString();<a name="line.97"></a>
<FONT color="green">098</FONT>            }<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>            public String getPredicate() {<a name="line.100"></a>
<FONT color="green">101</FONT>                return statement.getPredicate().toString();<a name="line.101"></a>
<FONT color="green">102</FONT>            }<a name="line.102"></a>
<FONT color="green">103</FONT>    <a name="line.103"></a>
<FONT color="green">104</FONT>            public String getObject() {<a name="line.104"></a>
<FONT color="green">105</FONT>                return statement.getObject().toString();<a name="line.105"></a>
<FONT color="green">106</FONT>            }<a name="line.106"></a>
<FONT color="green">107</FONT>    <a name="line.107"></a>
<FONT color="green">108</FONT>            public void close() {<a name="line.108"></a>
<FONT color="green">109</FONT>                iter.close();<a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>        }<a name="line.111"></a>
<FONT color="green">112</FONT>    <a name="line.112"></a>
<FONT color="green">113</FONT>        public TripleIterator searchTriples(final String subject, final String predicate, final String object) {<a name="line.113"></a>
<FONT color="green">114</FONT>            StmtIterator iter = jenaModel.listStatements(new SimpleSelector(<a name="line.114"></a>
<FONT color="green">115</FONT>                    subject   != null ? jenaModel.createResource(subject)   : null,<a name="line.115"></a>
<FONT color="green">116</FONT>                    predicate != null ? jenaModel.createProperty(predicate) : null,<a name="line.116"></a>
<FONT color="green">117</FONT>                    object    != null ? jenaModel.createResource(object)    : null<a name="line.117"></a>
<FONT color="green">118</FONT>            ));<a name="line.118"></a>
<FONT color="green">119</FONT>            return new InternalTripleIterator(iter);<a name="line.119"></a>
<FONT color="green">120</FONT>        }<a name="line.120"></a>
<FONT color="green">121</FONT>    <a name="line.121"></a>
<FONT color="green">122</FONT>        public void addTriple(String subject, String predicate, String object) {<a name="line.122"></a>
<FONT color="green">123</FONT>            checkTriple(subject, predicate, object);<a name="line.123"></a>
<FONT color="green">124</FONT>            <a name="line.124"></a>
<FONT color="green">125</FONT>            Resource s = jenaModel.createResource(subject);<a name="line.125"></a>
<FONT color="green">126</FONT>            Property p = jenaModel.createProperty(predicate);<a name="line.126"></a>
<FONT color="green">127</FONT>            Resource o = jenaModel.createResource(object);<a name="line.127"></a>
<FONT color="green">128</FONT>            s.addProperty(p, o);<a name="line.128"></a>
<FONT color="green">129</FONT>        }<a name="line.129"></a>
<FONT color="green">130</FONT>    <a name="line.130"></a>
<FONT color="green">131</FONT>        public void removeTriple(String subject, String predicate, String object) {<a name="line.131"></a>
<FONT color="green">132</FONT>            Resource s = jenaModel.createResource(subject);<a name="line.132"></a>
<FONT color="green">133</FONT>            Property p = jenaModel.createProperty(predicate);<a name="line.133"></a>
<FONT color="green">134</FONT>            Resource o = jenaModel.createResource(object);<a name="line.134"></a>
<FONT color="green">135</FONT>            jenaModel.remove(s, p, o);<a name="line.135"></a>
<FONT color="green">136</FONT>        }<a name="line.136"></a>
<FONT color="green">137</FONT>    <a name="line.137"></a>
<FONT color="green">138</FONT>        public void addTripleLiteral(String subject, String predicate, String literal) {<a name="line.138"></a>
<FONT color="green">139</FONT>            checkTriple(subject, predicate, literal);<a name="line.139"></a>
<FONT color="green">140</FONT>            Resource s = jenaModel.createResource(subject);<a name="line.140"></a>
<FONT color="green">141</FONT>            Property p = jenaModel.createProperty(predicate);<a name="line.141"></a>
<FONT color="green">142</FONT>            Literal  l = jenaModel.createLiteral(literal);<a name="line.142"></a>
<FONT color="green">143</FONT>            s.addProperty(p, l);<a name="line.143"></a>
<FONT color="green">144</FONT>        }<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>        public void removeTripleLiteral(String subject, String predicate, String object) {<a name="line.146"></a>
<FONT color="green">147</FONT>            Resource s = jenaModel.createResource(subject);<a name="line.147"></a>
<FONT color="green">148</FONT>            Property p = jenaModel.createProperty(predicate);<a name="line.148"></a>
<FONT color="green">149</FONT>            Literal  l = jenaModel.createLiteral(object);<a name="line.149"></a>
<FONT color="green">150</FONT>            jenaModel.remove(s, p, l);<a name="line.150"></a>
<FONT color="green">151</FONT>        }<a name="line.151"></a>
<FONT color="green">152</FONT>    <a name="line.152"></a>
<FONT color="green">153</FONT>        public void addTripleCollection(Object subject, String predicate, String[] object) {<a name="line.153"></a>
<FONT color="green">154</FONT>            final Resource s;<a name="line.154"></a>
<FONT color="green">155</FONT>            if(subject instanceof String) {<a name="line.155"></a>
<FONT color="green">156</FONT>                s = jenaModel.createResource((String) subject);<a name="line.156"></a>
<FONT color="green">157</FONT>            } else if(subject instanceof Resource) {<a name="line.157"></a>
<FONT color="green">158</FONT>                s = (Resource) subject;<a name="line.158"></a>
<FONT color="green">159</FONT>            } else {<a name="line.159"></a>
<FONT color="green">160</FONT>                throw new IllegalArgumentException("Invalid subject.");<a name="line.160"></a>
<FONT color="green">161</FONT>            }<a name="line.161"></a>
<FONT color="green">162</FONT>            Property p = jenaModel.createProperty(predicate);<a name="line.162"></a>
<FONT color="green">163</FONT>            Bag      b = jenaModel.createBag();<a name="line.163"></a>
<FONT color="green">164</FONT>            for(String bagElem : object) {<a name="line.164"></a>
<FONT color="green">165</FONT>                b.add(bagElem);<a name="line.165"></a>
<FONT color="green">166</FONT>            }<a name="line.166"></a>
<FONT color="green">167</FONT>            jenaModel.add(s, p, b);<a name="line.167"></a>
<FONT color="green">168</FONT>        }<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>        public void clearAll() {<a name="line.170"></a>
<FONT color="green">171</FONT>            jenaModel.removeAll();<a name="line.171"></a>
<FONT color="green">172</FONT>        }<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>        /**<a name="line.174"></a>
<FONT color="green">175</FONT>         * Loads the model from a file.<a name="line.175"></a>
<FONT color="green">176</FONT>         *<a name="line.176"></a>
<FONT color="green">177</FONT>         * @param cm<a name="line.177"></a>
<FONT color="green">178</FONT>         * @param modelId<a name="line.178"></a>
<FONT color="green">179</FONT>         * @param persistenceFile<a name="line.179"></a>
<FONT color="green">180</FONT>         * @throws IOException<a name="line.180"></a>
<FONT color="green">181</FONT>         */<a name="line.181"></a>
<FONT color="green">182</FONT>        public void load(CodeModel cm, String modelId, File persistenceFile) throws IOException {<a name="line.182"></a>
<FONT color="green">183</FONT>            checkParameters( cm, modelId, persistenceFile);<a name="line.183"></a>
<FONT color="green">184</FONT>    <a name="line.184"></a>
<FONT color="green">185</FONT>            Model jenaModel = ( (JenaCodeModel) cm).getJenaModel();<a name="line.185"></a>
<FONT color="green">186</FONT>            FileReader fr = new FileReader( persistenceFile );<a name="line.186"></a>
<FONT color="green">187</FONT>            jenaModel.read(fr, "");<a name="line.187"></a>
<FONT color="green">188</FONT>            fr.close();<a name="line.188"></a>
<FONT color="green">189</FONT>        }<a name="line.189"></a>
<FONT color="green">190</FONT>    <a name="line.190"></a>
<FONT color="green">191</FONT>        /**<a name="line.191"></a>
<FONT color="green">192</FONT>         * Saves the model into a file.<a name="line.192"></a>
<FONT color="green">193</FONT>         *<a name="line.193"></a>
<FONT color="green">194</FONT>         * @param cm<a name="line.194"></a>
<FONT color="green">195</FONT>         * @param modelId<a name="line.195"></a>
<FONT color="green">196</FONT>         * @param persistenceFile<a name="line.196"></a>
<FONT color="green">197</FONT>         * @throws IOException<a name="line.197"></a>
<FONT color="green">198</FONT>         */<a name="line.198"></a>
<FONT color="green">199</FONT>        public void save(CodeModel cm, String modelId, File persistenceFile) throws IOException {<a name="line.199"></a>
<FONT color="green">200</FONT>            checkParameters( cm, modelId, persistenceFile);<a name="line.200"></a>
<FONT color="green">201</FONT>    <a name="line.201"></a>
<FONT color="green">202</FONT>            Model jenaModel = ( (JenaCodeModel) cm).getJenaModel();<a name="line.202"></a>
<FONT color="green">203</FONT>            FileWriter fw = new FileWriter( persistenceFile );<a name="line.203"></a>
<FONT color="green">204</FONT>            jenaModel.write(fw);<a name="line.204"></a>
<FONT color="green">205</FONT>            fw.flush();<a name="line.205"></a>
<FONT color="green">206</FONT>            fw.close();<a name="line.206"></a>
<FONT color="green">207</FONT>        }<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>        private void checkTriple(String subject, String predicate, String object) {<a name="line.209"></a>
<FONT color="green">210</FONT>             if( RDFCoder.assertions() ) {<a name="line.210"></a>
<FONT color="green">211</FONT>                if(subject.length() == 0 ) {<a name="line.211"></a>
<FONT color="green">212</FONT>                    throw new CodeModelDebugException("invalid 0 length subject.");<a name="line.212"></a>
<FONT color="green">213</FONT>                }<a name="line.213"></a>
<FONT color="green">214</FONT>                if( predicate.length() == 0) {<a name="line.214"></a>
<FONT color="green">215</FONT>                    throw new CodeModelDebugException("invalid 0 length predicate.");<a name="line.215"></a>
<FONT color="green">216</FONT>                }<a name="line.216"></a>
<FONT color="green">217</FONT>                if( object.length() == 0) {<a name="line.217"></a>
<FONT color="green">218</FONT>                    throw new CodeModelDebugException("invalid 0 length object.");<a name="line.218"></a>
<FONT color="green">219</FONT>                }<a name="line.219"></a>
<FONT color="green">220</FONT>            }<a name="line.220"></a>
<FONT color="green">221</FONT>        }<a name="line.221"></a>
<FONT color="green">222</FONT>    <a name="line.222"></a>
<FONT color="green">223</FONT>        /**<a name="line.223"></a>
<FONT color="green">224</FONT>         * Checks the storage parameters.<a name="line.224"></a>
<FONT color="green">225</FONT>         * <a name="line.225"></a>
<FONT color="green">226</FONT>         * @param cm<a name="line.226"></a>
<FONT color="green">227</FONT>         * @param modelId<a name="line.227"></a>
<FONT color="green">228</FONT>         * @param persistenceFile<a name="line.228"></a>
<FONT color="green">229</FONT>         */<a name="line.229"></a>
<FONT color="green">230</FONT>        private void checkParameters(CodeModel cm, String modelId, File persistenceFile) {<a name="line.230"></a>
<FONT color="green">231</FONT>            if(cm == null) {<a name="line.231"></a>
<FONT color="green">232</FONT>                throw new NullPointerException("cm cannot be null");<a name="line.232"></a>
<FONT color="green">233</FONT>            }<a name="line.233"></a>
<FONT color="green">234</FONT>            if(modelId == null) {<a name="line.234"></a>
<FONT color="green">235</FONT>                throw new NullPointerException("modelId cannot be null");<a name="line.235"></a>
<FONT color="green">236</FONT>            }<a name="line.236"></a>
<FONT color="green">237</FONT>            if(persistenceFile == null) {<a name="line.237"></a>
<FONT color="green">238</FONT>                throw new NullPointerException("persistenceFile cannot be null");<a name="line.238"></a>
<FONT color="green">239</FONT>            }<a name="line.239"></a>
<FONT color="green">240</FONT>            if( ! persistenceFile.exists() ) {<a name="line.240"></a>
<FONT color="green">241</FONT>                throw new IllegalArgumentException("persitenceFile: '" + persistenceFile.getAbsoluteFile() + "' cannot be found.");<a name="line.241"></a>
<FONT color="green">242</FONT>            }<a name="line.242"></a>
<FONT color="green">243</FONT>            if(! (cm instanceof JenaCodeModel) ) {<a name="line.243"></a>
<FONT color="green">244</FONT>                throw new IllegalArgumentException("cm is not a JenaCodeHandler instance but: " + cm.getClass().getName());<a name="line.244"></a>
<FONT color="green">245</FONT>            }<a name="line.245"></a>
<FONT color="green">246</FONT>        }<a name="line.246"></a>
<FONT color="green">247</FONT>    <a name="line.247"></a>
<FONT color="green">248</FONT>        public String toString() {<a name="line.248"></a>
<FONT color="green">249</FONT>            return this.getClass().getName() + "{" + jenaModel.toString() + "}";<a name="line.249"></a>
<FONT color="green">250</FONT>        }<a name="line.250"></a>
<FONT color="green">251</FONT>    <a name="line.251"></a>
<FONT color="green">252</FONT>        /**<a name="line.252"></a>
<FONT color="green">253</FONT>         * Check the content of the code model.<a name="line.253"></a>
<FONT color="green">254</FONT>         * @param model<a name="line.254"></a>
<FONT color="green">255</FONT>         */<a name="line.255"></a>
<FONT color="green">256</FONT>        public static void checkModel(Model model) throws CodeModelDebugException {<a name="line.256"></a>
<FONT color="green">257</FONT>            StmtIterator iterator = model.listStatements();<a name="line.257"></a>
<FONT color="green">258</FONT>            Statement statement;<a name="line.258"></a>
<FONT color="green">259</FONT>            while( iterator.hasNext() ) {<a name="line.259"></a>
<FONT color="green">260</FONT>                statement =iterator.nextStatement();<a name="line.260"></a>
<FONT color="green">261</FONT>                if(<a name="line.261"></a>
<FONT color="green">262</FONT>                        statement.getSubject().toString().length()   == 0<a name="line.262"></a>
<FONT color="green">263</FONT>                        ||<a name="line.263"></a>
<FONT color="green">264</FONT>                        statement.getPredicate().toString().length() == 0<a name="line.264"></a>
<FONT color="green">265</FONT>                        ||<a name="line.265"></a>
<FONT color="green">266</FONT>                        statement.getObject().toString().length()    == 0<a name="line.266"></a>
<FONT color="green">267</FONT>                        ||<a name="line.267"></a>
<FONT color="green">268</FONT>                        statement.getSubject().toString().indexOf(":") == -1<a name="line.268"></a>
<FONT color="green">269</FONT>                        ||<a name="line.269"></a>
<FONT color="green">270</FONT>                        statement.getPredicate().toString().indexOf(":") == -1<a name="line.270"></a>
<FONT color="green">271</FONT>                ) {<a name="line.271"></a>
<FONT color="green">272</FONT>                    throw new CodeModelDebugException("Invalid model: found error in statement: " + statement);<a name="line.272"></a>
<FONT color="green">273</FONT>                }<a name="line.273"></a>
<FONT color="green">274</FONT>            }<a name="line.274"></a>
<FONT color="green">275</FONT>            iterator.close();<a name="line.275"></a>
<FONT color="green">276</FONT>        }<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>        public QueryResult performQuery(String sparqlQry) throws SPARQLException {<a name="line.278"></a>
<FONT color="green">279</FONT>            Query query = QueryFactory.create(sparqlQry);<a name="line.279"></a>
<FONT color="green">280</FONT>            QueryExecution queryExecution = QueryExecutionFactory.create(query, jenaModel);<a name="line.280"></a>
<FONT color="green">281</FONT>              try {<a name="line.281"></a>
<FONT color="green">282</FONT>                ResultSet results = queryExecution.execSelect() ;<a name="line.282"></a>
<FONT color="green">283</FONT>                QueryResult queryResult = new JenaQueryResult(queryExecution, query, results);<a name="line.283"></a>
<FONT color="green">284</FONT>                return queryResult;<a name="line.284"></a>
<FONT color="green">285</FONT>              } catch(Throwable t) {<a name="line.285"></a>
<FONT color="green">286</FONT>                  queryExecution.close(); // Query execution is closed only if an error occurs during query excution.<a name="line.286"></a>
<FONT color="green">287</FONT>                  throw new SPARQLException("Error during execution of SPARQL query: '" + sparqlQry + "'", t);<a name="line.287"></a>
<FONT color="green">288</FONT>              }<a name="line.288"></a>
<FONT color="green">289</FONT>        }<a name="line.289"></a>
<FONT color="green">290</FONT>        <a name="line.290"></a>
<FONT color="green">291</FONT>    }<a name="line.291"></a>




























































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